Chenamus Lake, WA Weather Forecast
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Chenamus Lake Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Smoke | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Showers | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of Rain |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 501 AM PDT Wed Aug 26 2026 

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Issued: 1025 AM PDT Wed Aug 26 2026
Discussion
...Now through Tuesday...Upper level troughing across the northeast Pacific will slowly shift eastward toward western Canada and the PacNW today, supporting lowering heights and cooler temperatures. Increasing onshore flow is expected to bring marine status to the interior lowlands early this morning will aid in keeping afternoon highs near the seasonal average in the low 80s inland and 60s along the coast. Low cloud cover across the interior is expected to break up late in the morning...
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